From: Dave Airlie Date: Mon, 10 Nov 2014 23:16:15 +0000 (+1000) Subject: drm/radeon: add locking around atombios scratch space usage X-Git-Tag: omap-for-v3.19/fixes-for-merge-window~107^2~3^2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1c9498425453bb65ef339a57705c5ef59fe1541d;p=pandora-kernel.git drm/radeon: add locking around atombios scratch space usage While developing MST support I noticed I often got the wrong data back from a transaction, in a racy fashion. I noticed the scratch space wasn't locked against concurrent users. Based on a patch by Alex, but I've made it a bit more obvious when things are locked. Signed-off-by: Dave Airlie Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org --- Reading git-diff-tree failed